1 /*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "core/components_ng/pattern/model/model_paint_method.h"
17
18 #include "foundation/graphic/graphic_2d/rosen/modules/2d_graphics/include/draw/canvas.h"
19 #include "foundation/graphic/graphic_2d/rosen/modules/2d_graphics/src/drawing/engine_adapter/skia_adapter/skia_canvas.h"
20
21 namespace OHOS::Ace::NG {
22
ModelPaintMethod(const WeakPtr<ModelAdapterWrapper> & adapter)23 ModelPaintMethod::ModelPaintMethod(const WeakPtr<ModelAdapterWrapper>& adapter) : modelAdapter_(adapter)
24 {}
25
GetContentDrawFunction(PaintWrapper * paintWrapper)26 CanvasDrawFunction ModelPaintMethod::GetContentDrawFunction(PaintWrapper* paintWrapper)
27 {
28 auto adapter = modelAdapter_.Upgrade();
29 CHECK_NULL_RETURN(adapter, nullptr);
30 return [weak = WeakClaim(this), paintWrapper](RSCanvas& canvas) {
31 auto model = weak.Upgrade();
32 if (model) {
33 model->PerformPaint(canvas, paintWrapper);
34 model->OnPaintFinish();
35 }
36 };
37 }
38
OnPaintFinish()39 void ModelPaintMethod::OnPaintFinish()
40 {
41 auto adapter = modelAdapter_.Upgrade();
42 CHECK_NULL_VOID(adapter);
43 adapter->OnPaintFinish();
44 }
45
PerformPaint(RSCanvas & canvas,PaintWrapper * paintWrapper)46 void ModelPaintMethod::PerformPaint(RSCanvas& canvas, PaintWrapper* paintWrapper)
47 {
48 LOGD("MODEL_NG PerformPaint()");
49 auto adapter = modelAdapter_.Upgrade();
50 CHECK_NULL_VOID(adapter);
51 if (!adapter->IsReady()) {
52 return;
53 }
54 auto paintProperty = DynamicCast<ModelPaintProperty>(paintWrapper->GetPaintProperty());
55 CHECK_NULL_VOID(paintProperty);
56 auto offset = paintWrapper->GetContentOffset();
57 adapter->OnPaint(paintProperty);
58 std::shared_ptr<Rosen::Drawing::CoreCanvasImpl> coreCanvas = canvas.GetCanvasData();
59 const Rosen::Drawing::SkiaCanvas* skiaCanvas = static_cast<const Rosen::Drawing::SkiaCanvas*>(coreCanvas.get());
60 CHECK_NULL_VOID(skiaCanvas);
61 SkCanvas* skCanvas = skiaCanvas->ExportSkCanvas();
62 CHECK_NULL_VOID(skCanvas);
63 adapter->GetTextureLayer(offset)->OnDraw(skCanvas);
64 }
65 } // namespace OHOS::Ace::NG
66